ASHRAE 90.1 states:

G3.1.3.6 Piping Losses losses shall not be modeled in either the proposed or baseline
building designs for hot water, chilled water, or steam piping.

Hello everyone,

I am currently working on a TI project for two floors of a mid-rise building. The current building uses pneumatic controls for the entire building.

Dear All, for option 2 calculation, I have a question on it. My project is a CI retail project. They will use carpet which include recycled content.

I find the reference guide confusing on this credit. Am I reading it correctly that multi-occupant spaces do NOT need to be addressed for lighting controls within v4 Retail projects?

Hello!  I have a CI project where the tenant occupies multiple contiguous floors.

Can a project pursue the prescriptive compliance path if there is not a ASHRAE 50% Advanced Energy Design Guide that is specifically applicable to the base building (i.e.

With the Innovation in Design credit for LEED-CI v4, the reference guide indicates that you can achieve all 5 credits thru a combination of innovation and exemplary performance credits (option 3).&

In the credit language for Core & Shell is stated that a sufficient number of meters should be provided to capture total tenant energy use with a minimum of one meter per energy source per floo